export let vertexShaderSource = `
      attribute vec3 a_position;
      uniform mat4 u_project;
      uniform mat4 u_rotatey;
      uniform mat4 u_rotatez;
      
      uniform vec3 u_zpos;
      // uniform mat4 u_view;
      
      attribute vec3 a_color;
      
      varying vec3 color;
      void main (){
        vec4 a = u_rotatey * u_rotatez * vec4(a_position, 1);
        gl_Position = u_project * vec4(a.xyz - u_zpos, 1);
        color = a_color;
      }
`
